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[protege-owl] Constraining Ontology Imports

Thomas Schneider schneidt at cs.man.ac.uk
Wed Feb 18 12:22:11 PST 2009


Hi Dave,

On 18 Feb 2009, at 19:36, Dave McComb wrote:

> This looks potentially quite useful.  What were you supposed to put  
> in the signature box though?

There you specify a list of terms, i.e., class or property names, and  
the tool will give you a module which "contains all knowledge in the  
ontology about the specified terms". More precisely, if you specify  
terms A, B, C, then every entailment of the ontology that can be  
expressed using only A, B, C will be an entailment of the module too.

Another view on this: Think of the specified terms as a topic. The  
module preserves all on-topic knowledge that's explicitly and  
implicitly in the ontology. More info is in the tutorial slides at http://owl.cs.manchester.ac.uk/2008/iswc-modtut/ 
  .

Feel free to play around with it and please give us feedback on  
whether it's useful for your purposes.

Cheers

Thomas


>
>
>> -----Original Message-----
>> From: protege-owl-bounces at lists.stanford.edu [mailto:protege-owl-
>> bounces at lists.stanford.edu] On Behalf Of Matthew Horridge
>> Sent: Wednesday, February 18, 2009 11:04 AM
>> To: User support for the Protege-OWL editor
>> Subject: Re: [protege-owl] Constraining Ontology Imports
>>
>> You could extract a module from the ontology....
>>
>> There's a module extraction service here:
>>
>> http://owl.cs.manchester.ac.uk/modularity/
>>
>> Cheers,
>>
>> Matthew
>>
>>
>>
>> On 18 Feb 2009, at 17:34, Thomas Russ wrote:
>>
>>>
>>> On Feb 18, 2009, at 6:04 AM, Alexander Kohout wrote:
>>>
>>>> Hi there!
>>>>
>>>> Is it possible to constraint an imported ontology? i've got an
>>>> ontology,
>>>> including 2 big classes (in one file!). now in another ontology i
>>>> want
>>>> to import 1 of these 2 big classes, so that i don't have a huge
>>>> overhead. So is it possible to say "import ontology xyz, but only
>>>> class
>>>> abc of xyz!" ?
>>>
>>> No.  You will have to manually split your imported ontology into two
>>> separate ontologies and then import only one of them.
>>>
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+----------------------------------------------------------------------+
|  Dr Thomas Schneider                         schneider at cs.man.ac.uk  |
|  School of Computer Science       http://www.cs.man.ac.uk/~schneidt  |
|  Kilburn Building, Room 2.114                 phone +44 161 2756136  |
|  University of Manchester                                            |
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